Engineering and Economic Analysis of Containment Area/Wetlands Disposal Options in New York Harbor
1989
Poindexter, Marian E.
Investigations were conducted to evaluate the engineering feasibility of constructing dredged material disposal sites at four locations within the New York Harbor area. The four sites identified by the New York District for evaluation were Bowery Bay, New York; Flushing Bay, New York; Newark Bay, New Jersey; and Raritan Bay, New Jersey. Each of these locations was evaluated for use with three disposal options: (a) disposal of uncontaminated sediments in a containment area; (b) disposal of contaminated sediments in a containment area; and (c) disposal of uncontaminated sediments to stabilize/create wetland habitats. Geotechnical analyses were conducted to evaluate the feasibility and cost of dredged material retaining dike construction. Retaining dike construction was found to be technically feasible, and a recommended dike design was presented for each site. Storage capacity evaluations were conducted for each disposal option to determine the ultimate quantity of material to be placed at each site. Total costs associated with each disposal option were determined including costs for marsh plantings.
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